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Organic Molecules for Life Lecture 3

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Questions and Answers

What is the byproduct of a condensation reaction?

Carbon dioxide

Energy

Heat

Water (correct)

What are the four macromolecules?

Carbohydrates, Lipids, Proteins, and Nucleic Acids

Carbohydrates, Lipids, Proteins, and Vitamins

Carbohydrates, Lipids, Proteins, and Amino Acids (correct)

Carbohydrates, Lipids, Proteins, and Hormones

What is the role of hydrolases?

To synthesize chemical bonds

To build up membranes

To break down chemical bonds using water (correct)

To store energy

What is the difference between glucose and glycogen?

Glucose is a monosaccharide, while glycogen is a polysaccharide Signup and view all the answers

What is the purpose of glycogen in the body?

To act as a first line of energy Signup and view all the answers

What is the difference between a condensation reaction and a hydrolysis reaction?

Hydrolysis reaction uses water, while condensation reaction releases water Signup and view all the answers

Why is it better to eat complex polysaccharides instead of simple sugars?

Because they provide more variety for energy distribution in the body and a more sustained energy release Signup and view all the answers

What is the function of sterols in the body?

For hormone regulation and growth Signup and view all the answers

Where is the diversity in proteins found?

In their primary structure Signup and view all the answers

What is the difference between DNA and RNA?

RNA is a long chain of nucleotides that is transcribed from DNA Signup and view all the answers

What is fermentation, and what are the end products in animals and yeast?

Fermentation is a process of cellular respiration, producing lactic acid in animals and ethanol in yeast Signup and view all the answers

What is the end product of mitosis?

Two identical daughter cells Signup and view all the answers